549464749968 has 80 divisors (see below), whose sum is σ = 1421662150656. Its totient is φ = 182869814400.

The previous prime is 549464749937. The next prime is 549464749991. The reversal of 549464749968 is 869947464945.

It is a super-2 number, since 2×549464749968² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 549464749968.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111157705 + ... + 111162647.

Almost surely, 2^549464749968 is an apocalyptic number.

It is an amenable number.

549464749968 is an abundant number, since it is smaller than the sum of its proper divisors (872197400688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

549464749968 is a wasteful number, since it uses less digits than its factorization.

549464749968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8092 (or 8086 counting only the distinct ones).

The product of its digits is 1881169920, while the sum is 75.

The spelling of 549464749968 in words is "five hundred forty-nine billion, four hundred sixty-four million, seven hundred forty-nine thousand, nine hundred sixty-eight".